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Just a Background, ran fine about a week ago, pulled it off the road to change the turbo and a couple of other things. Pulled off the intake manifolds thinking I had a leaking gasket, turns out it was a broken pintle cap on the injector. Fixed all that, put it all back together, now won't fire...

Wasn't sure what to put for the title. I had a search but couldn't find anyone who had the same thing, wasn't exactly sure what to search either. My 7m seems to be playing up, under load and boost it almost sounds like the turbo free spools. Also seems like maybe running lean. I.e first and...

Hi people, I bought a t4 with these specs, can annyone break it down for me as I don't know how to read compressor maps. One reputable workshop said basically a hi-flow of a standard ct-26. .70 cold side housing 51.99mm ind on cold side 81.74mm exd on cold side .68 rear housing 73.42mm...

I am looking at buying a t4 turbo, specs are as follows .70 cold side housing 51.99mm ind on cold side 81.74mm exd on cold side .68 rear housing 73.42mm ind hot side 57.97mm exd hot side Now I was looking to uprgade to lexus afm and rx7 550cc injectors down the track when I put this turbo on...

Hi all, Not sure if this in the right section or if has been covered, couldn't find anything. But basically my bore is 20 thou bigger than stock, will that cause more air to flow through the stock AFM and trigger fuel/boost cut at a lower psi? Was just thinking, 7mgte 20 thou over, ported head...

Heya people, just reading through the forums thought I would post up my project. As the title states it's a 1980 single cab 4x4 Hilux running a 7mgte engine with a r150f 4-runner / surf gearbox Started a while ago, got it for a decent price, still had the old reliable 18r a 4 speed box...